Description
Floats for Holley 2-bbl and 4-bbl performance carburetors come in two basic designs: side hung and center hung. A side hung float is so-called because the float arm is attached to the side of the float and it is hung or pivoted from the side of the float bowl. A center hung float has its float arm attached to the float center and it is hung or pivoted from the center of the float bowl. The float material used in any particular carburetor is very often dependent on the carburetor usage. For example, carburetors designed to run on alcohol must use a brass float: carburetors set up for blow-through forced induction systems need to use nitrophyl floats; carburetors used on a draw-through forced induction system could use either a brass or a nitrophyl float. Today, Holley float designs are manufactured in only brass on nitrophyl, and they are interchangeable, except on secondary 4160 with brass center hung floats. Most Holley performance carburetors have externally-adjustable floats. This feature greatly facilitates ones ability to help keep the carburetor in perfect tune.
Resources
Installation Instructions
Specifications:
| Carburetor Type | Rochester Q-Jet |
| Color | Black |
| Description_ASC | Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations |
| Description_ASM | Rochester Dualjet/Quadrajet 4M; 4MC; 4MV; M2M; M4M-Replacement for Rochester 7041468; 7043379; 7044332; 7046300; 17067153; 17067273; 17067275; 17078725; 17079405; Carter 21-321;/Chrysler 4342842 |
| Description_DEF | Carburetor Float |
| Description_DES | Center Hung Float |
| Description_EXT | Center Hung Float; Rochester/Dualjet/Quadrajet Replacement; |
| Description_FAB | Center Hung Float |
| Description_INV | FLOATS |
| Description_MKT | Floats for Holley 2-bbl and 4-bbl performance carburetors come in two basic designs: side hung and center hung. A side hung float is so-called because the float arm is attached to the side of the float and it is hung or pivoted from the side of the float bowl. A center hung float has its float arm attached to the float center and it is hung or pivoted from the center of the float bowl. The float material used in any particular carburetor is very often dependent on the carburetor usage. For example, carburetors designed to run on alcohol must use a brass float: carburetors set up for blow-through forced induction systems need to use nitrophyl floats; carburetors used on a draw-through forced induction system could use either a brass or a nitrophyl float. Today, Holley float designs are manufactured in only brass on nitrophyl, and they are interchangeable, except on secondary 4160 with brass center hung floats. Most Holley performance carburetors have externally-adjustable floats. This feature greatly facilitates ones ability to help keep the carburetor in perfect tune. |
| Description_MKT | Rochester Quadrajet |
| Description_SHO | Carburetor Float |
| height | 1.85 |
| length | 7.0 |
| LTL | N |
| Material | Nitrophyl |
| WARNING CA Proposition 65 | No |
| weight | 0.05 |
| width | 5.0 |
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